This document is the ATT7027 user manual, which provides information about the overall overview, electrical characteristics, structure, interrupt system, clock, system reset, power system, and low power mode of the ATT7027 product.
This manual describes the ATT7027 single‑phase low‑power SOC, covering its architecture, functional blocks, and programming interfaces. It includes detailed register descriptions, power‑mode handling, and peripheral features such as ADC, UART, I²C, PWM, and LCD driver.
The document also provides electrical characteristics, package information, and guidelines for firmware development, flash programming, and debugging using the on‑chip ICE support. Appendices contain pin‑out tables and usage examples. This manual is written in Chinese.
| Operating voltage | 2.7 V – 3.6 V |
|---|---|
| Operating temperature | -40 °C to 85 °C |
| Package | LQFP64 |
| Flash memory | 24 KB + 8 KB |
| Current consumption (Normal mode) | 6 µA |
| Current consumption (Sleep mode) | 80 µA |
| Current consumption (Deep‑Sleep mode) | 3 µA |
The ATT7027 operates from 2.7 V to 3.6 V.
It is supplied in an LQFP64 package.
Normal mode consumes about 6 µA, Sleep mode about 80 µA, and Deep‑Sleep mode about 3 µA.